When to Check
Check the tires once a month or more.
Do not forget the spare tire. See Full-Size Spare Tire for additional information.
See also:
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines,
transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service B ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...
Adding or Changing Preset Destinations
This feature allows additions or changes one of five preset destinations. When
a destination has been added as a preset destination, it is available to select
from the Destination Entry screen. Se ...